Koko the gorilla dies: 'She taught me so much,' trainer says. Koko, the western lowland gorilla who learned sign language, died on Thursday. By Bill Hutchinson. June 21, 2018, 2:30 PM.

Koko, the gorilla who mastered sign language and became a pop-culture phenomenon, will be laid to rest Saturday in a ceremony at an animal sanctuary in Northern California where she lived for decades.

WOODSIDE, Calif. (AP) — Koko, the gorilla who mastered sign language, has died. The Gorilla Foundation says the 46-year-old western lowland gorilla died in her sleep at the foundation's preserve ...

WOODSIDE, Calif. - When Koko the gorilla used the American Sign Language gesture for pain and pointed to her mouth, 12 specialists, including three dentists, sprang into action. The result? Her ...